diff options
Diffstat (limited to 'debian/patches-rt/sched-mmdrop-delayed.patch')
| -rw-r--r-- | debian/patches-rt/sched-mmdrop-delayed.patch | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/debian/patches-rt/sched-mmdrop-delayed.patch b/debian/patches-rt/sched-mmdrop-delayed.patch index 51cda64eb..0f4ac466a 100644 --- a/debian/patches-rt/sched-mmdrop-delayed.patch +++ b/debian/patches-rt/sched-mmdrop-delayed.patch @@ -1,7 +1,7 @@ Subject: sched: Move mmdrop to RCU on RT From: Thomas Gleixner <tglx@linutronix.de> Date: Mon, 06 Jun 2011 12:20:33 +0200 -Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/5.0/older/patches-5.0.7-rt5.tar.xz +Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/5.0/older/patches-5.0.10-rt7.tar.xz Takes sleeping locks and calls into the memory allocator, so nothing we want to do in task switch and oder atomic contexts. @@ -51,9 +51,9 @@ Signed-off-by: Thomas Gleixner <tglx@linutronix.de> +# define mmdrop_delayed(mm) mmdrop(mm) +#endif + - /** - * mmget() - Pin the address space associated with a &struct mm_struct. - * @mm: The address space to pin. + /* + * This has to be called after a get_task_mm()/mmget_not_zero() + * followed by taking the mmap_sem for writing before modifying the --- a/kernel/fork.c +++ b/kernel/fork.c @@ -679,6 +679,19 @@ void __mmdrop(struct mm_struct *mm) |